Trail Smelter and Gulch from Warfield Hill (Hughes) - 1930
Trail Smelter & Gulch (Hughes) - 1930
CM&S Fertilizer Plant, Warfield (Hughes) - 1930
CM&S Fertilizer Plant, Warfield – Main Gates (Hughes) - 1930
Warfield Fertilizer plant (Hughes) - 1930
Transformer Bank, South Slocan plant (Hughes) - 1930
Air cooler and washer building, South Slocan plant (Hughes) - 1930
Spillway, South Slocan plant (Hughes) - 1930
Spillway and headworks, South Slocan plant (Hughes) - 1930
South Slocan plant, looking downstream (Hughes) - 1930
Overview of South Slocan Plant (Hughes) - 1930
Main shaft under #3 generator, South Slocan plant (Hughes) - 1930
Switchboard, South Slocan plant generator room (Hughes) - 1930
Generators, South Slocan plant (Hughes) - 1930
Trail Smelter from above Warfield (Hughes) - 1932
Slag fuming plant, Trail Smelter (Hughes) - 1932
Smelter from East Trail (Hughes) - 1932
Aerial view of zinc plant, Trail Smelter (Hughes) -
Fertilizer plant at Warfield (Hughes) - 1932
Smelter from Trail (Hughes) - 1935
Fertilizer Plants at Warfield (Hughes) - 1940